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2-乙氧基丙-2-烯醛 | 2648-49-9

中文名称
2-乙氧基丙-2-烯醛
中文别名
——
英文名称
2-ethoxyprop-2-enal
英文别名
2-ethoxypropenal;α-ethoxyacrolein;2-Propenal, 2-ethoxy-
2-乙氧基丙-2-烯醛化学式
CAS
2648-49-9
化学式
C5H8O2
mdl
——
分子量
100.117
InChiKey
AXRMFIRHWOFRLE-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 沸点:
    27 °C(Press: 6 Torr)
  • 密度:
    0.913±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    0.9
  • 重原子数:
    7
  • 可旋转键数:
    3
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.4
  • 拓扑面积:
    26.3
  • 氢给体数:
    0
  • 氢受体数:
    2

SDS

SDS:2fc07f2017540c0f322fb5b903254fff
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反应信息

  • 作为反应物:
    描述:
    2-乙氧基丙-2-烯醛盐酸对苯二酚 作用下, 以 乙腈 为溶剂, 反应 0.83h, 生成 丙酮醛
    参考文献:
    名称:
    甲基乙二醛双-(N,N-二甲基hydr):合成及一些反应
    摘要:
    提出了合成甲基乙二醛1,2-双-(N,N-二甲基hydr)的方法。首次显示了其以马来酸酐为富电子二烯参与狄尔斯-阿尔德反应的可能性。在湿介质中观察到的这些试剂的第二反应是起始二烯的肼盐与马来酸的形成。通过分子能量的量子化学计算和13 C NMR化学位移的分析揭示了四种可能形式中最可能的质子化二烯结构。
    DOI:
    10.1134/s1070363212010124
  • 作为产物:
    描述:
    2-(1-ethoxyvinyl)-3,5-dimethyloxazolidine 在 三氟乙酸 作用下, 以 丙酮 为溶剂, 反应 1.0h, 以33%的产率得到2-乙氧基丙-2-烯醛
    参考文献:
    名称:
    Regioselectivity of the hydrolysis of 2-(1-alkoxyvinyl)-substituted imidazolidines, 1,3-thiazolidines, and 1,3-oxazolidines
    摘要:
    2-(1-Alkoxyvinyl)-1,3-thiazolidines reacted with H2O or D2O in the presence of 105 mol % of p-toluenesulfonic acid or trifluoroacetic acid (20 degrees C, 1 h) to give 2-acetyl-1,3-thiazolidine in quantitative yield. 2-(1-Alkoxyvinyl)-3,5-diphenylimidazolidines underwent hydrolysis in the presence of 20 mol % of an acid (20 degrees C, 24 h) at the vinyloxy group with high regioselectivity yielding 2-acetylimidazolidines. Hydrolysis of 2-(1-alkoxyvinyl)-3-phenyl-1,3-oxazolidines in the presence of 10 mol % of p-toluenesulfonic acid (20 degrees C, 5 days) takes two pathways, one of which involves the endocyclic C-O bond with ring opening and the other involves the vinyloxy group to produce 2-acetyl-3-phenyl-1,3-oxazolidine. Unlike phenyl-substituted 1,3-thiazolidines and imidazolidines, hydrolysis of their 3-methyl-and 3,5-dimethyl-substituted analogs in acid medium occurs mainly via ring opening. The observed hydrolysis pathways were interpreted in terms of B3PW91/6-311G(d,p) quantum-chemical calculations.
    DOI:
    10.1134/s1070428011120098
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文献信息

  • Reaction of 2-Alkoxypropenals with α-Hydroxyamino Oximes and 1,2-Bis(hydroxyamino)cyclohexane
    作者:N. A. Keiko、E. A. Funtikova、L. I. Larina、G. I. Sarapulova、D. G. Mazhukin、T. V. Rybalova、A. Ya. Tikhonov
    DOI:10.1007/s11178-005-0361-1
    日期:2005.10
    Reactions of 2-alkoxypropenals with α-hydroxyamino oximes in neutral medium involve the aldehyde group of the former to afford both acyclic and cyclic azomethine oxides: N-(2-hydroxyiminoalkyl)-N-(2-alkoxy-2-propenylidene)amine oxides and 1-hydroxy-2,5-dihydroimidazole 3-oxides. The state of tautomeric equilibrium between the cyclic and acyclic products depends on the solvent nature and temperature. The reaction in acidic aqueous medium is accompanied by hydrolysis of the vinyl ether moiety in 2-alkoxy-propenals with formation of 2-oxopropionaldehyde which reacts with α-hydroxyamino oxime at the hydroxy-amino group to give substituted pyrazine 1,4-dioxides. The reaction of 2-alkoxypropenals with 1,2-bis-(hydroxyamino)cyclohexane leads to formation of 2-(1-alkoxyvinyl)-1,3-dihydroxyperhydrobenzimidazoles. The structure of the products was proved by IR, UV, and 1H and 13C NMR spectroscopy and X-ray analysis.
    2-烷氧丙烯醛与α-羟基氨基肟在中性介质中的反应涉及前者的醛基,生成无环和环状的亚胺氧化物:N-(2-羟基亚胺烷基)-N-(2-烷氧基-2-丙烯基)胺氧化物和1-羟基-2,5-二氢咪唑-3-氧化物。环状和无环产物之间的并置平衡状态取决于溶剂的性质和温度。在酸性水相中反应伴随着2-烷氧基丙烯醛中乙烯醚部分的水解,形成2-氧丙醛,该醛与α-羟基氨基肟在羟基氨基组上反应,生成取代的吡嗪1,4-二氧化物。2-烷氧丙烯醛与1,2-双(羟基氨基)环己烷的反应生成2-(1-烷氧基乙烯基)-1,3-二羟基全氟苯并咪唑。产品的结构通过红外光谱、紫外光谱、1H和13C核磁共振光谱以及X射线分析得到了验证。
  • Reaction of α-ethoxyarolein with diethyl malonate
    作者:N. A. Keiko、Yu. A. Chuvashev、T. A. Kuznetsova、L. V. Sherstyannikova、M. G. Voronkov
    DOI:10.1007/bf02641547
    日期:1998.12
    The reaction of α-ethoxyacrolein with diethyl malonate in the presence of EtONa, lithium diisopropylamide, or the Na2CO3−benzene−Et3(PhCH2)NCl catalytic system proceeds as the Michael addition. In the presence of an equimolar amount of triethylamine, selective 1,2-addition followed by dehydration of the 1,2-adduct occurs. Owing to the strong +M effect of the EtO group, α-ethoxyacrolein is a substantially
    在 EtONa、二异丙基氨基锂或 Na2CO3-苯-Et3(PhCH2)NCl 催化体系存在下,α-乙氧基丙烯醛与丙二酸二乙酯的反应作为迈克尔加成进行。在等摩尔量的三乙胺存在下,发生选择性 1,2-加成,然后 1,2- 加合物脱水。由于 EtO 基团的强 +M 效应,α-乙氧基丙烯醛是比丙烯醛活性低得多的迈克尔受体。
  • Reactions of alcohols with α-alkoxyacroleins at room temperature
    作者:N. A. Keiko、Yu. A. Chuvashev、L. G. Stepanova、M. G. Voronkov
    DOI:10.1007/bf02641546
    日期:1998.12
    medium at 20°C under kinetically controlled conditions is the Markovnikoff addition at the C=C bond to form 2,2-dialkoxypropanals (methylglyoxal ketals). Under conditions of thermodynamic control, subsequent acetalization of the aldehyde group occurs to form 1,1,2,2-tetraalkoxypropanes. When the duration of the reaction is further increased in the absence of a water acceptor, the ketal group undegroes hydrolysis
    醇与 α-烷氧基丙烯醛在酸性介质中在动力学控制条件下于 20°C 反应的第一阶段是在 C=C 键上进行马尔可夫尼科夫加成以形成 2,2-二烷氧基丙醛(甲基乙二醛缩酮)。在热力学控制条件下,醛基随后发生缩醛化以形成 1,1,2,2-四烷氧基丙烷。当在不存在水受体的情况下进一步增加反应持续时间时,缩酮基团不进行水解并形成甲基乙二醛缩醛。开发了一种制备甲基乙二醛缩酮的方法。
  • One-pot, three-component cascade synthesis of new tetrasubstituted pyrroles by coupling reaction of 2-functionally substituted 2-alkenals, amines, and nitroethane
    作者:Natalia A. Keiko、Nadezhda V. Vchislo、Ekaterina A. Verochkina、Ludmila I. Larina
    DOI:10.1016/j.tet.2014.08.040
    日期:2014.11
    3-aryl(hetaryl)propenals in a one-pot, three-component reaction with primary amines and nitroethane has been studied. A method for the synthesis of highly functionalized pyrroles (in 36–80% yield) from 2-alkylthiopropenals has been developed on the basis of this reaction. It is found that the reaction proceeds via formation of the intermediate imine of the starting enal, which undergoes 1,2-addition by nitroethane
    已经研究了2-烷硫基(2-烷氧基)取代的3-芳基(杂芳基)丙烯醛在与伯胺和硝基乙烷的一锅三组分反应中的反应性。在该反应的基础上,已经开发了一种由2-烷基硫代丙烯醛合成高度官能化的吡咯的方法(收率36-80%)。发现反应是通过形成起始烯醛的中间体亚胺进行的,该中间体亚胺通过硝基乙烷进行1,2-加成而得到动力学控制的2-烷硫基-3-烷基氨基-1-芳基(杂芳基)-4-硝基戊烯。当静置时,在加热或在微波辅助下,该加合物可转变成热力学控制的1,4-加合物。后者进行分子内环化以提供目标吡咯。首次揭示了将硝基烷烃的加成产物异构化为2-官能化的α,β-不饱和亚胺的可能性。已经研究了取决于反应条件以及起始底物和胺的结构的反应范围。
  • 2-Alkoxy- and 2-alkylthio-2-alkenals in the reactions of electrophilic and nucleophilic addition. DFT study and NBO analysis
    作者:Natalia A. Keiko、Tamara N. Aksamentova、Nina N. Chipanina、Ekaterina A. Verochkina、Nadezhda V. Vchislo
    DOI:10.1016/j.tet.2012.12.055
    日期:2013.2
    of theory, and natural bond orbital (NBO) analysis were used to investigate the electron distribution in 3-aryl(hetaryl)substituted 2-methoxy- and 2-methylthiopropenals to predict the possibility of electrophilic (Markovnikov-type) or nucleophilic (Michael-type) addition reactions depending on the nature of substituents. The dependence of the CC bond length on the population ratio of its orbitals, P(πC2C3∗)/P(πC2C3)
    在理论水平的B3LYP / 6-311 + G **和M06 / 6-311 + G ***的DFT方法和自然键轨道(NBO)分析用于研究3-芳基(杂芳基)取代基中的电子分布根据取代基的性质,使用2-甲氧基和2-甲硫基丙烯醛来预测亲电(马尔可夫尼可夫型)或亲核(迈克尔型)加成反应的可能性。C C键长度对其轨道的填充比P的依赖性(πC2个C3∗)/ P(π C2 C3),用于评价这些取代基的供体和受体的效果。前沿轨道能量值的变化表明,所研究分子的亲电子和亲核能力均取决于其结构。双键C的作用下(作为形成在其原子的天然电荷的差来计算)的偏振方向的变化β-取代基允许人们预测2-烷氧基-和2-烷硫基丙炔的一些代表的极性加成反应的方向。在酸性介质中,Markovnikov和Michael加成的3-芳基(呋喃基)取代的2-甲氧基丙烯的水合活化能略有不同,表明这些过程的可能性相同。
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